Materials

Topic Image Rail

TO DYE FOR By changing the spacing between nanoparticles aggregated into balls, researchers created these inks of five different colors.

Ming Xiao/Univ. of Akron

SLIMED When startled, the dusky slug (Arion subfuscus) produces a goopy defense slime that slows down predators. Scientists are studying the chemical structure of this goo to make better surgical adhesives.

A. Smith

TEENY TINY ANTENNAS A new type of micrometer-thick chip could one day transmit signals from devices embedded in our clothes or even our bodies.